| 摘要 |
Polyoxyalkylene-glycol-monoethers containing a desired number of oxyalkylene units are prepared by starting from a linear or branched aliphatic alcohol, preferably a primary linear aliphatic alcohol, or from a mono-hydroxy phenol, preferably bearing alkyl-substituents on its ring, and mono-halogenated linear oxyalkylene glycols, wherein the halogen is in a terminal position and the hydroxy group is protected by known means, under basic conditions, with polyoxyalkyleneglycol-monoethers being obtained, which contain a protected hydroxy group, from which the protecting group is removed by means of a treatment under acidic conditions, thus the desired product being obtained, which is useful as a non-ionic surfactant, in particular in the cosmetic and/or pharmaceutical field. |
